Security update for microcode_ctl

SUSE Security Update: Security update for microcode_ctl
Announcement ID: SUSE-SU-2019:14133-1
Rating: important
References: #1111331 #1141977
Cross-References:CVE-2018-12126 CVE-2018-12127 CVE-2018-12130 CVE-2019-11091
Affected Products:
  • SUSE Linux Enterprise Server 11-SP4-LTSS
  • SUSE Linux Enterprise Point of Sale 11-SP3

An update that fixes four vulnerabilities is now available.

Description:

This update for microcode_ctl fixes the following issues:
This update contains the Intel QSR 2019.1 Microcode release (bsc#1111331)
Four new speculative execution information leak issues have been identified in Intel CPUs. (bsc#1111331)

  • CVE-2018-12126: Microarchitectural Store Buffer Data Sampling (MSBDS)
  • CVE-2018-12127: Microarchitectural Fill Buffer Data Sampling (MFBDS)
  • CVE-2018-12130: Microarchitectural Load Port Data Samling (MLPDS)
  • CVE-2019-11091: Microarchitectural Data Sampling Uncacheable Memory (MDSUM)

These updates contain the CPU Microcode adjustments for the software mitigations.
For more information on this set of vulnerabilities, check out https://www.suse.com/support/kb/doc/?id=7023736
Release notes:
---- updated platforms ------------------------------------ SNB-E/EN/EP C1/M0 6-2d-6/6d 0000061d->0000061f Xeon E3/E5, Core X SNB-E/EN/EP C2/M1 6-2d-7/6d 00000714->00000718 Xeon E3/E5, Core X
---- new platforms ---------------------------------------- VLV C0 6-37-8/02 00000838 Atom Z series VLV C0 6-37-8/0C 00000838 Celeron N2xxx, Pentium N35xx VLV D0 6-37-9/0F 0000090c Atom E38xx CHV C0 6-4c-3/01 00000368 Atom X series CHV D0 6-4c-4/01 00000411 Atom X series
Readded what missing in last update: BDX-ML B0/M0/R0 6-4f-1/ef 0b00002e->00000036 Xeon E5/E7 v4; Core i7-69xx/68xx

Patch Instructions:

To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • SUSE Linux Enterprise Server 11-SP4-LTSS:
    zypper in -t patch slessp4-microcode_ctl-14133=1
  • SUSE Linux Enterprise Point of Sale 11-SP3:
    zypper in -t patch sleposp3-microcode_ctl-14133=1

Package List:

  • SUSE Linux Enterprise Server 11-SP4-LTSS (i586 x86_64):
    • microcode_ctl-1.17-102.83.41.1
  • SUSE Linux Enterprise Point of Sale 11-SP3 (i586):
    • microcode_ctl-1.17-102.83.41.1

References: